/*
 * Copyright 2012 Gregor Schauer
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package at.schauer.gregor.vienna.example.swing.serializer.plugin;

import at.schauer.gregor.vienna.serializer.plugin.CipherPlugin;

import javax.crypto.Cipher;
import java.security.Key;
import java.util.Map;

/**
 * @author Gregor Schauer
 */
public class PasswordEncrypterPlugin<T> extends CipherPlugin<T> {
	protected PasswordEncrypterPlugin(Key key, byte[] initVector, EncryptMode mode) {
		super(key, initVector, mode);
	}

	@Override
	protected Map<String, Object> process(Map<String, Object> map, Cipher cipher) {
		boolean encr = cipher == encryptCipher;
		try {
			for (Map.Entry<String, Object> entry : map.entrySet()) {
				if (entry.getKey().contains("PasswordField")) {
					entry.setValue(decode(cipher.doFinal(encode(String.valueOf(entry.getValue()), encr)), encr));
				}
			}
		} catch (Exception e) {
			throw new RuntimeException(e);
		}
		return map;
	}
}
